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This Pulse Oximeter is intended for measuring the functional oxygen saturation (SpO2) and pulse rate (PR). It is intended for spot check of SpO2, PR of adult or pediatric patients (weight >=40kg) in home. This device is not intended for continuous monitoring. It is intended to be used by both lay person or healthcare professional in the home environment.

The Pulse Oximeter is intended for use in measuring and displaying functional oxygen saturation of arterial hemoglobin (SpO2) and pulse rate (PR). The Pulse Oximeter works by applying a sensor to a pulsating arteriolar vascular bed. The sensor contains a dual light source and photo detector. The one wavelength of light source is 660 nm, which is red light; the other is 905 nm, which is Infrared light. Skin, bone, tissue, and venous vessels normally absorb a constant amount of light over time. The photodetector in finger sensor collects and converts the light into electronic signal which is proportional to the light intensity. The arteriolar bed normally pulsates and absorbs variable amounts of light during systole and diastole, as blood volume increases and decreases. The ratio of light absorbed at systole and diastole is translated into an oxygen saturation measurement. This measurement is referred to as SpO2. The Pulse Oximeter is powered by 2 AAA alkaline batteries. The device mainly composed of PCB board, On/Off button, mode button, OLED&LED screen, battery compartment, and plastic shell. The device is a spot-check pulse oximeter and does not include alarms. The device is not intended for life-supporting or life-sustaining.

Fetal Doppler is intended to detect fetal heart rate, and play the fetal heart sound. Fetal Doppler is indicated for use by health care professionals in hospital, clinic, community and home for singleton pregnancies after 12 weeks gestation.

Fetal Doppler is intended to detect fetal heart beats, display fetal heart rate, and play the fetal heart sound. Fetal Doppler is indicated for use by used by health care professionals in hospital, clinic, community and home for singleton pregnancies after 12 weeks gestation. It is comprised of an ultrasonic signal transmitter and receiver, analog signal processing unit, FHR calculating unit, and LCD/TFT display control unit. It has audio output and can be connected with headphones or to a recorder with audio input. The Fetal Doppler is powered by a standard 1.5 V DC alkaline battery.